fix tests on 1.11

[KristofferC]

A refactoring in the round function caused this method definition to be ambiguous.

[github-actions[bot]]

Benchmark Results

	main	ee7afbd726ca1a...	main/ee7afbd726ca1a...
Quantity/creation/Quantity(x)	2.79 ± 0 ns	2.79 ± 0 ns	1
Quantity/creation/Quantity(x, length=y)	3.41 ± 0.01 ns	3.41 ± 0.01 ns	1
Quantity/with_numbers/*real	3.11 ± 0.01 ns	3.1 ± 0.01 ns	1
Quantity/with_numbers/^int	8.05 ± 1.9 ns	8.05 ± 1.9 ns	1
Quantity/with_numbers/^int * real	8.37 ± 1.9 ns	8.37 ± 1.9 ns	1
Quantity/with_quantity/+y	4.04 ± 0.001 ns	4.04 ± 0.001 ns	1
Quantity/with_quantity//y	3.11 ± 0.001 ns	3.11 ± 0.001 ns	1
Quantity/with_self/dimension	3.1 ± 0.01 ns	3.1 ± 0.01 ns	1
Quantity/with_self/inv	3.11 ± 0.001 ns	3.11 ± 0.001 ns	1
Quantity/with_self/ustrip	2.79 ± 0.01 ns	3.71 ± 0.01 ns	0.754
QuantityArray/broadcasting/multi_array_of_quantities	0.143 ± 0.00067 ms	0.143 ± 0.00073 ms	1
QuantityArray/broadcasting/multi_normal_array	0.0529 ± 0.00028 ms	0.0529 ± 0.00029 ms	1
QuantityArray/broadcasting/multi_quantity_array	0.158 ± 0.00094 ms	0.158 ± 0.00083 ms	1
QuantityArray/broadcasting/x^2_array_of_quantities	24.5 ± 2.3 μs	25.4 ± 2.6 μs	0.966
QuantityArray/broadcasting/x^2_normal_array	5.29 ± 0.77 μs	5.79 ± 0.46 μs	0.913
QuantityArray/broadcasting/x^2_quantity_array	7.04 ± 0.31 μs	6.99 ± 0.28 μs	1.01
QuantityArray/broadcasting/x^4_array_of_quantities	0.0786 ± 0.00057 ms	0.0788 ± 0.00053 ms	0.997
QuantityArray/broadcasting/x^4_normal_array	0.0498 ± 0.00015 ms	0.0498 ± 0.00016 ms	1
QuantityArray/broadcasting/x^4_quantity_array	0.05 ± 0.00017 ms	0.05 ± 0.0002 ms	0.999
time_to_load	0.131 ± 0.0022 s	0.129 ± 0.00081 s	1.02

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR. Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[MilesCranmer]

Thanks!